Kayaking is a favorite sport of mine and I've done my share of salt water fishing from one. Having said this, I have no desire to use my kayak on the beach in any place where there is significant wave action. Launching a yak into surf is a specialized and difficult business and highly likely to get you dunked (forget about recovering that fly rod when you're pitched out of your yak in typical surf). I'd highly recommend a good bit of practice before trying this with your gear.Personally, I'll stick to flats and back bays when paddling.

Who knows if you did this trip already but I hope it worked out for ya. Sounds like you're deciding against fishing from the yak in the surf. Probably a good idea. I wouldn't wanna dump gear in the waves. If you still try and just have fun with one though I'd say don't even bother trying to correct the angle of the boat by ruddering. Let the boat go parallel to the beach and lean hard out to sea, like 45 degrees tilt hard. Let the paddle drag behind you on the ocean side too, paddle perpendicular to the boat and flat so it matches the surface of the water, that should do the trick. If the boat is longer the nose will wanna dive in if you ride it in perpendicular to the beach. I saw my buddy dig his nose right into the sand once and the wave stood the boat up to like twelve o clock. He just about soiled his shorts. Good luck